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Sr. Quantum Information Scientist

Leidos971 open roles

Where
Lawton, OK
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Your applicationOpen nowSr. Quantum Information ScientistLeidos · Lawton, OK

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The clock on this job

Early applications get read.

8.1% of postings close within 7 days. Measured by our own scanner across the market. Leidos postings stay open a median of 3 days.

Share of postings closed within
  1. 1.7%1 day
  2. 3.6%3 days
  3. 8.1%7 days
  4. 15.1%14 days
  5. 34.0%30 days
This job: posted today

Leidos median: 3 days open

The posting

Leidos has a new and exciting opportunity for a Sr. Quantum Information Scientist in our INTEL Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

The Senior Scientist will assist in quantum information science (QIS)-based research being performed at the FISTA, in Lawton, Oklahoma. The Senior Scientist will be tasked with supervising a technical team located at a Leidos research facility. The technical team will be developing a variety of demonstration systems for the customer. In addition to team supervision, the Scientist will also be tasked with participating in R&D along with various program development tasks.

Responsibilities will include supervising and participation in the building and testing of quantum-based communications and sensing systems along with managing collaborations with sub-contractor partners at the University of Oklahoma.

  • Expertise in optical systems is not required but basic familiarity with optics is preferred.
  • The position may require short periods of travel within the US., primarily to other Leidos facilities in DC and Huntsville, AL.
  • Potential employee should be comfortable communicating technical work, both orally and written to subject matter experts and non-technical audiences.
  • Familiarity with proposal processes and white paper writing is a plus.
  • Presenting complex material to non-technical governmental and military audiences.
  • Provide regular updates to the group lead in Huntsville, AL.

Required Qualifications:

  • Must hold a PhD in physics, optics, quantum information science (QIS), or some related field and 4+ years of related work experience.
  • Candidate must be proficient with experimental quantum mechanical systems used in sensing or communications applications.
  • Must be a US CITIZEN and able to obtain and maintain a TS/SCI security clearance.
  • Position is onsite in Lawton, OK

Preferred Qualifications:

  • Expertise in an applicable field of quantum physics/QIS, either theoretical or experimental.
  • Familiarity with Python, Matlab, Mathematica, LabVIEW, C#, or any optical modeling program.
  • Experience in the theory and design of experimental quantum systems for sensing/communications applications.
  • Experience in setting up lab equipment for optical and quantum experiments.
  • For theorists, closely working with experimentalists to design and validate experiments, designs, and data.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

October 6, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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